05/03/2026 updated

**** ******** ****
100 % available

Senior Software Engineer | Go expert with Platform skills | LLM-Agentic driven development

Zagreb, Croatia
Only remote
Bachelor of Information Technology, Polytechnic of Zagreb (2004-2009)
Zagreb, Croatia
Only remote
Bachelor of Information Technology, Polytechnic of Zagreb (2004-2009)

Profile attachments

Matej Baco CV 202604.pdf

About me

Senior Engineering Leader with 20+ years building high-availability systems. Expert in Go, distributed systems, and LLM-agentic development workflows. Scaled infrastructure to handle 50% of UK Faster Payments while maintaining a 99.99% SLO.

AWS SQSLLMPlatform EngineeringSystems EngineeringCloud ComputingCloud EngineeringAmazon DynamoDBLeadershipPostgreSQLAnsibleAmazon Simple Notification Service (SNS)Systems IntegrationPrompt EngineeringAWS LambdaAWS ECSEvent Driven ArchitectureKubernetesTerraformgRPCAWS EKSGolangMicroservices
Go & Distributed Systems
Extensive expertise in Go programming and distributed systems architecture, including gRPC, CQRS, Event Sourcing, and building high-availability platforms that maintain strict SLOs at scale.

Cloud Infrastructure & Kubernetes
Deep hands-on experience with Kubernetes (EKS and on-prem), AWS services (Lambda, SQS, DynamoDB), CloudStack, Terraform, Ansible, and Flux for large-scale infrastructure management and automation.

LLM-Agentic Development
Practical application of LLM-agentic development workflows and Prompt Engineering to ship production-grade software, including building financial products such as the Australian Payouts platform.

Payment Systems & Fintech
Design and development of modular payment validation and sanitisation solutions, enabling high-value Tier-1 bank integrations and supporting large-scale payment processing at 99.99% SLO.

Data & Networking
Proficiency with CockroachDB, YugabyteDB, NATS, Cilium, BGP, and ZFS for robust data management and networking in distributed environments.

IoT & Healthcare Technology
Integration of IoT medical device models and establishment of development offices, securing pilot bids across European healthcare organisations.

Large-Scale Storage Systems
Engineering of transactional control planes for large-scale ZFS storage clusters ranging from 16 to 160 nodes, ensuring high availability and operational integrity in secure air-gapped environments.

Technical Leadership & Team Building
Experience leading engineering teams, establishing development offices, acting as primary technical liaison for engineering, Infosec, and external partners, and implementing squad rotation models to optimize delivery.

Languages

EnglishFluent

Project history

Senior Software Engineer

Banked
Engineered and developed the Australian Payouts product using LLM-agentic development workflows, opening a new revenue stream for the company.

Lead / Senior Software Engineer

Form3 Financial Cloud
Led the fullstack platform expansion (K8s, VMs, baremetal) capturing 50% of the UK FPS market, tripling node capacity and automating software rollouts at 99.99% SLO. Engineered modular payment validation and sanitisation solutions for Tier-1 bank integration. Optimized delivery via squad rotations and acted as primary technical liaison. Defined technical, operational and legal concepts for data sovereignty assurance.

Tech Lead / Head of Zagreb Office

Medisante
Established the Zagreb Development Office including hiring and logistics, and integrated new IoT medical device models, securing successful pilot bids across European healthcare organizations.

Senior Software Engineer

Argo Technologie
Engineered and developed a transactional control plane for large-scale ZFS storage clusters (16-160 nodes), ensuring high availability and operational integrity within secure air-gapped client environments.

Contact form

Log in to get in touch

You need to be logged in to use the contact form.

Sign upLog in